2IL3

Structures of an Insect Epsilon-class Glutathione S-transferase from the Malaria Vector Anopheles Gambiae: Evidence for High DDT-detoxifying Activity


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1PN9PDB ID: 1PN9

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.52930.1M Bis-Tris pH 6.5 and 25% w/v Polyethylene Glycerol 3350, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
1.9938.09

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 49.039α = 90
b = 85.521β = 90
c = 94.335γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93CCDMARRESEARCH2006-06-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID0.979APS22-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.25092.50.1050.1055.42.9193041930434.206
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.22.2885.20.5090.01355.42.71728

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ID: 1PN92.250192491924999792.470.20.20.1950.288RANDOM31.886
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
-0.930.480.46
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.889
r_dihedral_angle_4_deg22.476
r_dihedral_angle_3_deg18.875
r_dihedral_angle_1_deg7.79
r_scangle_it4.725
r_scbond_it3.479
r_angle_refined_deg2.267
r_mcangle_it2.052
r_mcbond_it1.339
r_nbtor_refined0.318
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.889
r_dihedral_angle_4_deg22.476
r_dihedral_angle_3_deg18.875
r_dihedral_angle_1_deg7.79
r_scangle_it4.725
r_scbond_it3.479
r_angle_refined_deg2.267
r_mcangle_it2.052
r_mcbond_it1.339
r_nbtor_refined0.318
r_symmetry_hbond_refined0.286
r_symmetry_vdw_refined0.257
r_nbd_refined0.229
r_xyhbond_nbd_refined0.165
r_chiral_restr0.144
r_bond_refined_d0.028
r_gen_planes_refined0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3473
Nucleic Acid Atoms
Solvent Atoms118
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling